Gas is a better choice.
So people ask, how the heck do you check to see if the valves are sealing with a head off a car.
With the head IN the car, you can just do a cyl leak down test. But what do you do to check if the head is off the car.
If the water stays the same overnight in all the cylinders, its good to go. No bent valves yay!
the car is on an inclined driveway and up on jack stands in the front onlyMaster L1 ASE certifiedVW's don't leak oil, they just mark their territory!
Tried on a vr head, didn't work.
Its good to check if something is way off but it won't catch small issues. Bent valve, sure. Bad valve job, nope. A fresh race valve job wont pass this test either so... like many things its one of a few tests you can do to figure out the whole story.
1995 GTI VR6 - 12.90@106 R32 power - 12.833@106 12v power
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water is retarted and a good way to start rust on a valve seat...to check with head off a car you need a very thin liquid such as lacquer thinner but yes as paul said sometimes with a race valve job regardless the valves will leak but seal once running....
2003 mk4 20th anniversary 10.60 at 140...full weight
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